SUMMARY

• 8 years of experience in Software Development Life Cycle (SDLC) including requirements analysis, design specification, code development, code integration, testing and deployment using Object Oriented Analysis and Design (OOAD) wifJava/J2EE.
• Strong experience in designing and developing multi - tier enterprise level web applications using various J2EE technologies like Servlets, JSP, JDBC, JSF and JMS.
• Expertise in Design, development and testing of web application and integration projects using technologies such as Core Java, J2EE, Struts, JSP, JDBC, Spring Framework, Design Patterns, Hibernate, Web Services (REST/SOAP), cloud computing.
• Strong working knowledge in Spring Core, Spring ORM, Spring DAO, and Spring MVC architectures.
• Extensive front-end GUI skills using Core JAVA, Servlets, JSP, Struts, AJAX, XML, XSL, Xpath, HTML, JQUERY, CSS and JavaScript.
• Extensive experience in UI Development, Web design, Web Development, and testing web pages wif Usability standards.
• Good knowledge of Object/Relational mapping using Hibernate.
• Designed systems using J2EE based frameworks like MVC Architecture and Hibernate.
• Hands on experience in working wif various IDEs including Eclipse, My Eclipse.
• Good exposure and experience wif Service Oriented Architecture (SOA) such as Web Services including SOAP, REST, WSDL, JMS (Java Messaging Service), AJAX and tools like Maven, ANT, JUNIT and JIRA.
• Develop and maintain operational best practices for smooth operation of Cassandra/Hadoop clusters.
• 1 year of experience in Big data using Hadoop, Hive, Pig, Sqoop and Map Reduce Programming.
• Hands on experience in Installing, configuring and using ecosystem components like HadoopMapReduce, HDFS, HBase, Zoo Keeper, Oozie, Hive, Cassandra, Sqoop, Pig, Flume, Avro and Horton Works Talend.
• Hands on experience in writing light weight Node.js express using technologies like Ajax, JavaScript/jQuery, Json to make connections between server and dtabase.
• Experience in working wif teh NoSQL, Mongo DB, Apache Cassandra.
• Experience in creating Web Services using SOAP and REST.
• Hands on experience on build tools like Ant, Maven, and Gradle.
• Expert in Core Java wif strong understanding of Collections, Multithreading, Event handling and Exception handling.
• Experience in using various tools and IDEs for development and design like Eclipse, Web Storm,NetBeans, IntelliJ, Notepad++ and Sublime.
• Excellent understanding of relational databases involved in application development using RDBMS like SQL Server, MySQL.
• A very good understanding of Groovy and Grails.
• Worked on Ext JS for Rich web Application.
• Extensive experience in working on projects wif Waterfall and Agile methodologies such as Test Driven Development (TDD) and SCRUM.
• Good knowledge in various design patterns such as MVC (Model View Controller), Singleton, Factory and MVVM.
• LDAP and Identity & Access management products

TECHNICAL SKILLS:

LANGUAGE: J2EE TECHNOLOGIES

FRAME WORKS: JAVA, C++, C, PYTHON. Servlets, JSP, JMS, JAXB, JNDI, EJB, JDBC, JPA, LDAP, RMI. Spring 3.2/3.0, Hibernate 3.0/3.1, JSF, Struts 2.0/1.2, log4j.

WEB TECHNOLOGIES: HTML5, DHTML, CSS, JavaScript, jQuery, Ajax, Angular JS, Bootstrap. AWS, JSP, Node.js Servlets, JMS, JDBC, Java Beans, SOAP, REST Web Services, XML, XSL, JAX-WS, WSDL, Hadoopcloudera.

IDE'S and Development Tools: IBM Web Sphere Studio, Eclipse, NetBeans, Visual Studio .NET, Hadoop, HDFS, MSOffice, Rational Rose and Microsoft Visio.

MAILING TECHNOLOGY: JMS

APPLICATION SERVERS: BEA WEBLOGIC 8.1/9.2/10.0, IBM WEBSPHERE 8.0, JBOSS, JAVA 1.8, APACHE TOMCAT 6.039/7.034.

RDBMS: MYSQL, ORACLE 11g, SQL SERVER, T-SQL, DB2, MONGO DB STORED PROCEDURES, TOAD.

Operating Systems: Version control Windows NT/ 2000/ XP, Unix, Linux, Mac OS SVN, CVS, Git and Clearcase

PROFESSIONAL EXPERIENCE:

Confidential, San Francisco-CA

Sr. Java/J2EE Developer

Responsibilities:

• Worked on stack of development from backend Business layer to frontend UI layer.
• Designed teh user interface of teh application using HTML 5, CSS3, JavaScript, AngularJS and AJAX.
• Designed and implemented application using spring, Spring IOC, Spring Annotations, Spring MVC, Spring Transactions, Hibernate, SQL, and IBM WebSphere.
• Managed Hadoopclusters: setup, install, monitor, maintain Distributions: Cloudera CDH, Apache Hadoop.
• Involved in teh Agile/Scrum based development phases.
• Designed table-less layouts using CSS and appropriate HTML5 tags as per W3C standards.
• Created optimized graphic websites and application interfaces using HTML5, CSS, and spring framework.
• Used AJAX extensively to implement front end /user interface features in teh application.
• Developed CSS style sheets to give gradient TEMPeffects. Developed page layouts, navigation and icons.
• Used AngularJS to develop this website as a responsive website.
• Used two-way data binding features of AngularJS to implement Data binding to bind various server controls to teh data from database.
• Development of teh service layer using Java/J2EE.
• Development using Spring Framework (MVC, Dependency Injection, Auto wiring, Caching, Database Connectivity, REST and SOAP Client API, Asynchronous calls, Thread Executor framework) which communicates wif various service layers and configuring teh spring xml files.
• Used REST and SOAP Web Services to exchange information.
• Developed Spring AOP programming to configure logging for teh application.
• Implemented ORM in teh persistence layer using Hibernate framework in conjunction wif Spring AOP functionality.
• Involved in multi-tiered J2EE design utilizing Spring IOC architecture and Hibernate.
• Used Java Messaging Services (JMS) for reliable and asynchronous exchange of important information such as payment status report to MQ Server using MQ Series.
• Used JMSto send messages securely, reliably and asynchronously to WebSphere.
• Performed unit testing on various project modules using JUnitframework.
• Implemented Java and J2EE Design Patterns like Facade, Abstract Factory, Singleton, Factory, Data Access Object (DAO), Service Locator, and Chain of Responsibility.
• worked on Ext JS fro user interface widgets wif High performance scalable grids, trees and menus.
• Involved in debugging teh product using Eclipse 3.6 and JIRA Bug Tacking.
• Developed SQL queries to access data in Oracle database.
• Used Maven to build WAR and EAR files to deploy on Application Servers.
• Used GIT as a Version Control Tool.
• Utilized TDD methodology.

Environment:Java, Spring, Hibernate, JMS, SOAP web service client (using JAX-WS), HDP 2.0, HDP 2.7, Apache PIG, Hive 2.0, Restful Web service client (using JAX-RS), LDPA, AngularJS, EXT JS, XML, HTML5, CSS, AJAX, Oracle, SQL, Oracle, Eclipse, Maven, IBM WebSphere.

Confidential, Bentonville, Arkansas

Sr. Java/J2EE Developer

Responsibilities:

• Involved in gathering teh requirements from end-user.
• Involved in teh analysis, design & development of teh project.
• Involved in using MVC pattern for teh UI development.
• Developed UI using HTML, CSS, AJAX, AngularJS and Bootstrap.
• Developed CSS styles to maintain teh uniformity of all teh screens throughout teh application and positioning of screen objects.
• Used Dependency Injection Pattern to reduce teh dependency coupling between classes and in frontend using AngularJS.
• Developed teh content stocking App using MongoDB and jquery.
• Wrote MapReduce jobs to perform operations like copying data on HDFS and defining job flows on EC2 server, load and transform large sets of structured, semi-structured and unstructured data.
• Creating Hive tables to import large data sets from various relational databases using Sqoop and export teh analyzed data back for visualization and report generation by teh BI team.
• Involved in managing and reviewing Hadooplog files and uploading teh final results and written queries to analyze them.
• Build REST web services by building Node.js Server in teh back-end to handle requests sent from teh front-end jQuery Ajax calls.
• Worked on teh storefinder App using MongoDB and Jquery.
• Responsible for building this scalable distributed solutions using Datastax Cassandra.
• Implemented Spring MVC, which includes writing Controller classes for handling requests, processing form submissions and performed validations using Commons validator.
• Developed various queries using Hibernate (Object Relational Mapping) and hibernate criterion queries to execute queries against database.
• Integrated Hibernate wif spring for handling transactions.
• Developed complete middle tier and database tier. Created SQL procedures, writing complex queries.
• Installed, configured, and maintained Oracle database.
• Developed SQL queries for extracting teh data from teh Oracle tables.
• Developed build and deployment scripts using Maven.
• Modified application according to teh user requirement.

Environment: HTML5, CSS, AJAX, AngularJS, LDAP, Hadoop 1.3, HDFS, Hive, Java jdk1.6, EC2, SOLR, Zookeeper, SVN, Maven, Bootstrap, Spring MVC, Spring IOC, Spring AOP, WebSphere, Node.js, Hibernate, SQL, Oracle, Maven, Eclipse, Clearcase.

Confidential

Java/J2EE Developer

Responsibilities:

• Designed and implemented application using spring, Spring IOC, Spring Annotations, Spring MVC, Spring Transactions, Hibernate, SQL, and IBM WebSphere.
• Development of teh service layer using Java/J2EE.
• Created internal routes using REST web service wif spring which can accept and send objects in JSON
• format.
• Involved in multi-tiered J2EE design utilizing Spring IOC architecture and Hibernate.
• Experienced in developing web services and worked wif WebSphere Application Server.
• Involved in Analysis, Design and Implementation of Business User Requirements.
• Designed table-less layouts using CSS and appropriate HTML tags as per W3C standards.
• Created optimized graphic websites and application interfaces using HTML, CSS, and spring framework.
• Used AJAX extensively to implement front end /user interface features in teh application.
• Developed CSS style sheets to give gradient TEMPeffects. Developed page layouts, navigation and icons.
• Used Bootstrap in combination wif AngularJS to develop this website as a responsive website.
• Created Custom filters and directives to process teh data or to render a reusable DOM.
• Used JavaScript extensively for validation, DOM manipulation etc.
• Used GitHub as teh version control tool.
• Worked wif build tools like Jenkins to deploy application.
• Worked on documentation for different services to help QA and other teams to understand teh flow of service.

Environment: Java, spring, Hibernate, JMS, SOAP web service client (using JAX-WS), Restful Web service Client (using JAX-RS), AngularJS, Bootstrap, HTML, CSS, AJAX, Oracle, SQL, Oracle, Eclipse, GIT, Jenkins, IBM WebSphere.

Confidential

Java/J2EE Developer

Responsibilities:

• Involved in full life cycle of teh project including requirements gathering, analysis and designing teh system.
• Set up working environment for teh team in St. Louis and in India.
• Involved in teh preparation of Rational Artifacts like Use-Cases, Sequence and class diagrams.
• Involved in design and implementing centralized artifacts like logger, exception handling.
• Increasing teh efficiency of application, by identifying teh areas to use stored procedures.
• Wrote complex SQL queries to retrieve data.
• Used design patterns for components’ design. Patterns used include: Abstract Factory, Singleton, Façade and DAO design patterns.
• Participated in user training and documentation preparation.
• Developed necessary JSP pages.
• Develop necessary Entity Beans & Session Beans, Hibernate persistence to do data manipulation operations such as find, insert, update and expire.
• Responsible for getting a build script created & used consistently in all teh environments.
• Used java script for front end validation and JSTL tag libraries for display page contents.
• Involved in fixing defects in all test phases and production problem tickets.
• Wrote a PL/SQL stored procedure to perform teh copy (move data from central repository to target environment) operation.

Environment:JBOSS Application Server 4, Oracle 9i, Rational Rose, Spring Framework, JSP, Servlet, EJB, JDBC, JMS, JUnit, Tiles, XML, Hibernate, JDOM, Ant, Log4j, Shell Scripts, Windows 2000 and Sun Solaris.